├── README.md
└── savejs


/README.md:
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1 | package main
2 | 
3 | import "something..."
4 | 
5 | 


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/savejs:
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 1 | CREATE TABLE IF NOT EXISTS customers (
 2 |                              id           BIGSERIAL PRIMARY KEY,
 3 |                              name         TEXT        NOT NULL CHECK (length(btrim(name)) BETWEEN 2 AND 100),
 4 |                              phone        TEXT        NOT NULL,                          -- +31..., +7..., и т.п.
 5 |                              email        TEXT,                                          -- опционально
 6 |                              tg_handle    TEXT,                                          -- @username
 7 |                              notes        TEXT,                                          -- комментарии администратора
 8 |                              created_at   TIMESTAMPTZ NOT NULL DEFAULT now()
 9 | );
10 | 
11 | -- Уникальные ограничения (частичные — только если поле заполнено)
12 | CREATE UNIQUE INDEX IF NOT EXISTS uq_customers_phone
13 |     ON customers (phone);
14 | 
15 | CREATE UNIQUE INDEX IF NOT EXISTS uq_customers_email
16 |     ON customers (lower(email))
17 |     WHERE email IS NOT NULL;
18 | 
19 | CREATE UNIQUE INDEX IF NOT EXISTS uq_customers_tg_handle
20 |     ON customers (lower(tg_handle))
21 |     WHERE tg_handle IS NOT NULL;
22 | 
23 | -- Ускорение поиска по имени/телефону (простые btree индексы)
24 | CREATE INDEX IF NOT EXISTS idx_customers_name
25 |     ON customers (lower(name));
26 | 


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